lib/locmare/booster.rb

   1 module Locmare
   2   class Booster
   3     attr :boost
   4
   5     def initialize manifest, item
   6       @manifest = manifest
   7       @item = item
   8       # no check
   9       # return false unless self.resource.enable?
  10       if self.extendable?
  11         @item.extend self.engine_extend_module
  12         @item.__send__ @manifest.setter_method_name, self.parsed_settings
  13       end
  14     end
  15
  16     def engine_resource_name
  17       @manifest.engine_resource_name || self.resource.table_name
  18     end
  19
  20     # get engine resource from system resource manifest
  21     def my_engine_resource
  22       Manifest.manifest.system_resources.engine_resources[self.engine_resource_name]
  23     end
  24
  25     def engine_classname
  26       @item.attributes[@manifest.extend_column_name]
  27     end
  28
  29     # get snake_case engine name
  30     # ex) circle_speech_balloon
  31     # use to url, model_name generating
  32     def engine_name
  33       self.my_engine_resource.resource_items[self.engine_classname]
  34     end
  35
  36     def model_name
  37       self.engine_name + '_' + @manifest.extend_item_name
  38     end
  39
  40     def enable?
  41       self.my_engine_resource.resource_items.include? self.class_name
  42     end
  43
  44     # get engine's module name
  45     def class_name
  46       @item.attributes[@manifest.extend_column_name]
  47     end
  48
  49     def settings
  50       @item.attributes[@manifest.settings_column_name]
  51     end
  52
  53     # name space for engine
  54     def engine_module
  55       Object.const_get self.class_name
  56     end
  57
  58     def extendable?
  59       self.engine_module.constants.include? @manifest.extend_module_name.to_sym
  60     end
  61
  62     # extend module in engine
  63     # ex) CircleSpeechBalloon::SpeechBalloonModule
  64     def engine_extend_module
  65       self.engine_module.const_get @manifest.extend_module_name
  66     end
  67
  68     # extend settings data model in engine
  69     # ex) CircleSpeechBalloon::SpeechBalloon
  70     def engine_extend_model
  71       self.engine_module.const_get @manifest.extend_model_name
  72     end
  73
  74     def check_resource
  75       @item.attributes[@manifest.foreign_key].blank? == false
  76     end
  77
  78     # get system resource instance
  79     def resource
  80       Manifest.manifest.models[@manifest.resource_name].classify
  81     end
  82
  83     # get extend instance
  84     def extend_item
  85       @item.__send__ @manifest.getter_method_name
  86     end
  87
  88     def parsed_settings
  89       if self.settings.blank?
  90         {}
  91       else
  92         JSON.parse(self.settings)
  93       end
  94     end
  95
  96   end
  97 end
  98